Concrete engraver



FIG. 1 is a right perspective view of a concrete engraver showing my new design;

FIG. 2 is a right-side elevational view thereof;

FIG. 3 is a left-side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is the rear view thereof; and,

FIG. 7 is the front view thereof.

The broken lines in FIG. 3 are for illustrative purposes only; they show angle grinder and are not claimed as part of the design. 

The ornamental design for a concrete engraver, as shown and described. 